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Related Experiment Videos

Audiovisual links in exogenous covert spatial orienting

C Spence1, J Driver

  • 1Department of Experimental Psychology, University of Cambridge, England. cjs1007@cus.cam.ac.uk

Perception & Psychophysics
|January 1, 1997
PubMed
Summary
This summary is machine-generated.

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Auditory cues enhance spatial judgments for both visual and auditory targets, demonstrating a one-way influence from hearing to sight. This cross-modal effect in attention is specific, with vision not influencing audition.

Area of Science:

  • Cognitive Neuroscience
  • Sensory Perception
  • Human Attention

Background:

  • Spatial attention is crucial for integrating sensory information.
  • Cross-modal interactions in attention are complex and not fully understood.
  • Exogenous orienting, driven by external stimuli, plays a key role in attentional shifts.

Purpose of the Study:

  • To investigate the directionality of cross-modal spatial cuing effects between audition and vision.
  • To determine if auditory cues can influence visual target judgments and vice versa.
  • To examine the role of attentional mechanisms versus non-attentional factors in these cross-modal interactions.

Main Methods:

  • Participants judged the elevation of peripheral visual and auditory targets after uninformative peripheral cues.

Related Experiment Videos

  • Experiments systematically varied cue and target modalities and controlled for eye movements (saccades).
  • Non-attentional explanations were tested and ruled out through specific experimental designs.

    • Main Results:

    • Uninformative auditory cues improved elevation judgments for both visual and auditory targets presented on the same side.
    • Visual cues improved elevation judgments for visual targets but not for auditory targets.
    • Spatial cuing effects from visual to auditory targets were observed only when saccades were not prevented, suggesting potential confounds.

    Conclusions:

    • Evidence suggests a unidirectional cross-modal influence: audition influences vision in exogenous covert orienting.
    • Vision does not appear to exert a similar cross-modal influence on auditory spatial judgments.
    • The findings highlight an asymmetry in cross-modal attention, potentially related to neural representations of space.